Custom Length Equal and Unequal Mild Steel Angle Bar for Structural and Industrial Applications
1．Product Overview
Equal and unequal steel angle bars are widely used structural steel products manufactured for load-bearing, framework, reinforcement, and fabrication applications. Mild steel angle sections provide stable structural support, convenient welding performance, and flexible processing capability for industrial and construction projects.
These steel angle products are available in equal angle and unequal angle configurations to meet different structural load requirements and fabrication conditions. Common applications include steel structures, bridges, shipbuilding, machinery manufacturing, storage systems, and vehicle chassis fabrication.
2．Technical Solution
Hot rolled mild steel angle bars are produced according to international structural steel standards including ASTM, EN, JIS, and GB specifications.
The L-shaped cross section provides effective load distribution and structural rigidity while maintaining relatively low structural weight.
Equal angle sections provide symmetrical strength distribution, while unequal angle sections are suitable for structures requiring directional load optimization or installation space flexibility.
3．Specifications
| Parameter |
Value |
| Product Type |
Equal Angle / Unequal Angle |
| Material |
Q235B / Q345B / SS400 / A36 / S275JR |
| Production Method |
Hot Rolled |
| Dimension Range |
20×20×3mm – 200×200×25mm |
| Thickness |
3mm–24mm |
| Length |
6–12m or Customized |
| Standard |
ASTM / EN / JIS / GB / DIN |
| Surface |
Black Hot Rolled |
| MOQ |
50 MT |
| Packaging |
Standard Export Packing |
4．Representative Sizes
| Size |
Theoretical Weight |
| 100×75×6mm |
8.04 kg/m |
| 100×75×10mm |
13.0 kg/m |
| 125×75×8mm |
12.2 kg/m |
| 150×90×12mm |
21.6 kg/m |
| 120×120×10mm |
18.37 kg/m |
| 150×150×12mm |
27.3 kg/m |
| 178×178×16mm |
43.2 kg/m |
5．Applications
Steel angle bars are widely used in:
- Steel structure fabrication
- Industrial buildings
- Shipbuilding structures
- Bridge engineering
- Machinery manufacturing
- Vehicle chassis fabrication
- Warehouse shelving systems
- Transmission towers
- Support frames and brackets
- Construction reinforcement systems
6．Processing
Products can be supplied in customized lengths according to project requirements.
Additional processing services include:
- Cutting
- Punching
- Drilling
- Galvanizing
- Welding fabrication
- Surface coating
- Customized packaging
7．Advantages
- Stable structural performance
- Good welding and fabrication capability
- Wide dimensional range available
- Suitable for structural reinforcement applications
- Compatible with multiple international standards
- Flexible equal and unequal angle configurations
8．How to Choose
Equal angle steel bars are suitable for symmetrical structural loading and standard framework construction. Unequal angle bars are preferred when different directional strength or installation flexibility is required.
Material selection should consider structural load, welding requirements, environmental conditions, and corrosion protection requirements.
9．FAQ
Q1．What is the difference between equal and unequal angle bars
Equal angles have identical leg dimensions, while unequal angles have different leg sizes for directional load optimization.
Q2．Can customized lengths be supplied
Yes. Lengths can be customized according to project requirements.
Q3．What standards are available
Products can be produced according to ASTM, EN, JIS, DIN, and GB structural steel standards.
Q4．Can angle bars be galvanized
Yes. Hot dip galvanized surface treatment can be supplied for corrosion protection applications.
Q5．What industries commonly use steel angle bars
Steel angle bars are widely used in construction, machinery manufacturing, shipbuilding, bridge engineering, storage systems, and industrial fabrication.
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